This requires additional sterile technique but preserves more of the peptide
(Second on my list would be vitamin D, but its much harder to develop low vitamin D levels if you take a daily supplement, as I explain in this post
During your visits, we can help you look at other pieces of the picture
These patterns inform our current protocols: pre-injection metabolic screening (TSH, ferritin, B12, vitamin D), mandatory injection-site rotation education, and 12-week check-ins to address lifestyle factors
There are several causes of vitamin B12 deficiency, including: Insufficient Intake : People who follow a vegetarian or vegan diet may be at risk of vitamin B12 deficiency because the main dietary sources of the vitamin are animal products, such as meat, fish, poultry, eggs, and dairy products